The table below looks at the statistics for Log4j skills in IT jobs advertised across the UK. Included is a guide to the salaries offered in IT jobs that have cited Log4j over the 3 months to 26 June 2016 with a comparison to the same period over the previous 2 years.

3 months to
26 Jun 2016
Same period 2015 Same period 2014
Apache Log4j
Rank 881 959 953
Rank change year-on-year
+78 -6
Permanent jobs citing Log4j 43 17 50
As % of all permanent IT jobs located in the UK 0.044% 0.015% 0.041%
As % of the Development Applications category 0.25% 0.091% 0.26%
Number of salaries quoted 27 9 43
Median salary £45,000 £37,500 £51,500
Median salary % change year-on-year
+20.00% -27.18%
90% offered a salary of more than £40,000 £32,700 £36,000
10% offered a salary of more than £72,500 £45,000 £85,000
UK excluding London median salary £50,000 £39,250 £49,250
% change year-on-year
+27.38% -20.30%

The following table is for comparison with the above and provides statistics for the entire Development Applications category in permanent jobs advertised across the UK.

Development Applications Category
UK
Permanent IT job ads with a match in the
Development Applications category
17500 18582 19370
As % of all permanent IT jobs located in the UK 18.03% 16.77% 16.06%
Number of salaries quoted 15192 15602 16400
Median salary £50,000 £47,000 £45,000
Median salary % change year-on-year
+6.38% +4.44%
90% offered a salary of more than £33,500 £32,500 £31,500
10% offered a salary of more than £70,500 £65,000 £66,000
UK excluding London median salary £42,500 £42,000 £40,000
% change year-on-year
+1.19% +5.00%

Log4j
Jobs Demand Trend

The demand trend of job ads citing Log4j as a proportion of all IT jobs with a match in the Development Applications category.

Log4j Jobs Demand Trend in the UK

Log4j
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Log4j within the UK.

Log4j Salary Trend in the UK

Log4j
Salary Histogram

This chart provides a salary histogram for IT jobs citing Log4j over the 3 months to 26 June 2016 within the UK.

Log4j Salary Histogram in the UK

Log4j
Top 12 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Log4j within the UK over the 3 months to 26 June 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +67 43 £45,000 +20.00% 3
London +55 35 £40,000 +6.66% 1
City of London +66 16 £40,000 +6.66%
South East +41 4 £46,250 +96.80%
Hampshire +15 4 £46,250 +96.80%
Hertfordshire - 3 £52,500 -
East of England - 3 £52,500 -
Basingstoke - 2 £45,000 -
Southampton +2 1 £47,500 +102.12%
Cheshire - 1 - -
Knutsford - 1 - -
North West - 1 - -

Log4j
Top 30 Related IT Skills

For the 6 months to 26 June 2016, IT jobs citing Log4j also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for Log4j.

1 68 (100.00%) Java
2 50 (73.53%) Tomcat
3 49 (72.06%) JSP
4 45 (66.18%) JavaScript
5 42 (61.76%) Web Services
6 39 (57.35%) Oracle
7 38 (55.88%) Subversion
8 37 (54.41%) JUnit
9 36 (52.94%) HTML
10 35 (51.47%) SQL Server
10 35 (51.47%) Git (software)
11 34 (50.00%) J2EE
11 34 (50.00%) XML
12 33 (48.53%) Ant
12 33 (48.53%) Linux
12 33 (48.53%) Spring
12 33 (48.53%) Maven
13 32 (47.06%) Servlets
14 31 (45.59%) Apache
14 31 (45.59%) JMS
15 30 (44.12%) JIRA
16 29 (42.65%) WebSphere
16 29 (42.65%) WebLogic
16 29 (42.65%) XSLT
16 29 (42.65%) Hibernate
17 27 (39.71%) TDD
17 27 (39.71%) SQL
17 27 (39.71%) Jenkins
18 26 (38.24%) Gradle
18 26 (38.24%) JSTL

Log4j
Top Related IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 50 (73.53%) Tomcat
2 31 (45.59%) Apache
3 29 (42.65%) WebLogic
3 29 (42.65%) WebSphere
4 22 (32.35%) JBoss
5 19 (27.94%) WordPress
6 15 (22.06%) ATG Dynamo
7 8 (11.76%) WebSphere Application Server
8 7 (10.29%) SharePoint
9 5 (7.35%) Adobe Experience Manager
10 4 (5.88%) CMS
10 4 (5.88%) MQSeries
10 4 (5.88%) WebLogic Portal
11 3 (4.41%) Elasticsearch
12 1 (1.47%) Jetty
12 1 (1.47%) WebSphere Process Server
Applications
1 4 (5.88%) MS Office
Communications & Networking
1 11 (16.18%) LDAP
2 4 (5.88%) HTTP
2 4 (5.88%) Internet
3 1 (1.47%) SMTP
Database & Business Intelligence
1 35 (51.47%) SQL Server
2 19 (27.94%) PostgreSQL
3 13 (19.12%) Relational Database
4 12 (17.65%) DB2
5 10 (14.71%) RDBMS
6 5 (7.35%) Jackrabbit
6 5 (7.35%) MySQL
6 5 (7.35%) Oracle Database
7 4 (5.88%) Apache Cassandra
7 4 (5.88%) Data Warehouse
7 4 (5.88%) Hazelcast
7 4 (5.88%) MongoDB
7 4 (5.88%) Oracle Database 10g
7 4 (5.88%) Oracle Database 11g
7 4 (5.88%) SSDT
8 1 (1.47%) Big Data
8 1 (1.47%) MarkLogic
8 1 (1.47%) NoSQL
8 1 (1.47%) Triplestore
Development Applications
1 38 (55.88%) Subversion
2 37 (54.41%) JUnit
3 35 (51.47%) Git (software)
4 33 (48.53%) Ant
4 33 (48.53%) Maven
5 30 (44.12%) JIRA
6 27 (39.71%) Jenkins
7 26 (38.24%) Gradle
7 26 (38.24%) Selenium
8 19 (27.94%) Bitbucket
8 19 (27.94%) TestNG
9 18 (26.47%) Eclipse
10 15 (22.06%) Mockito
11 7 (10.29%) Apache Ivy
11 7 (10.29%) ClearCase
11 7 (10.29%) jMock
12 4 (5.88%) Hudson
12 4 (5.88%) JMeter
12 4 (5.88%) LoadRunner
12 4 (5.88%) LoadUI
General
1 15 (22.06%) Finance
2 13 (19.12%) Retail
3 8 (11.76%) Banking
4 5 (7.35%) Marketing
5 4 (5.88%) Front Office
5 4 (5.88%) Investment Banking
6 3 (4.41%) Telecoms
7 1 (1.47%) Billing
7 1 (1.47%) Publishing
Job Titles
1 53 (77.94%) Developer
2 41 (60.29%) Java Developer
3 21 (30.88%) Senior Developer
4 11 (16.18%) Senior Java Developer
5 10 (14.71%) Architect
5 10 (14.71%) Senior Architect
5 10 (14.71%) Senior Solutions Architect
5 10 (14.71%) Solutions Architect
6 7 (10.29%) Lead Developer
7 6 (8.82%) Lead Java Developer
8 4 (5.88%) Consultant
8 4 (5.88%) E-Commerce Developer
8 4 (5.88%) J2EE Developer
8 4 (5.88%) J2EE WebSphere Developer
8 4 (5.88%) Java E-Commerce Developer
8 4 (5.88%) Java/J2EE Developer
8 4 (5.88%) SQL Developer
8 4 (5.88%) Technical Consultant
8 4 (5.88%) Tester
8 4 (5.88%) WebSphere Developer
Libraries, Frameworks & Software Standards
1 49 (72.06%) JSP
2 42 (61.76%) Web Services
3 36 (52.94%) HTML
4 34 (50.00%) J2EE
4 34 (50.00%) XML
5 33 (48.53%) Spring
6 32 (47.06%) Servlets
7 31 (45.59%) JMS
8 29 (42.65%) Hibernate
8 29 (42.65%) XSLT
9 26 (38.24%) JDBC
9 26 (38.24%) JSTL
10 24 (35.29%) Ajax
10 24 (35.29%) CSS
11 23 (33.82%) Java EE
12 19 (27.94%) jQuery
12 19 (27.94%) LAPP Stack
13 14 (20.59%) JSON
14 11 (16.18%) Apache Axis
14 11 (16.18%) REST
Miscellaneous
1 19 (27.94%) Social Media
2 7 (10.29%) Computer Science
3 5 (7.35%) Client/Server
4 4 (5.88%) Analytical Skills
4 4 (5.88%) Credit Risk
4 4 (5.88%) Equities
4 4 (5.88%) Fixed Income
4 4 (5.88%) Foreign Exchange (FX)
4 4 (5.88%) Management Information System
4 4 (5.88%) OTC Derivatives
5 3 (4.41%) Clustering
6 1 (1.47%) Virtual Team
Operating Systems
1 33 (48.53%) Linux
2 20 (29.41%) Android
3 19 (27.94%) openSUSE
3 19 (27.94%) Ubuntu
4 12 (17.65%) Unix
5 11 (16.18%) Windows
6 4 (5.88%) HPUX
6 4 (5.88%) Red Hat Enterprise Linux
6 4 (5.88%) Solaris
7 1 (1.47%) Apple iOS
Processes & Methodologies
1 27 (39.71%) TDD
2 23 (33.82%) E-Commerce
3 19 (27.94%) Content Management
4 18 (26.47%) Agile Software Development
5 13 (19.12%) Release Management
6 12 (17.65%) Scrum
7 7 (10.29%) AOP
7 7 (10.29%) BDD
7 7 (10.29%) Kalman Filter
7 7 (10.29%) Project Management
8 5 (7.35%) Continuous Delivery
8 5 (7.35%) Continuous Integration
8 5 (7.35%) UML
8 5 (7.35%) Web Development
9 4 (5.88%) ETL
9 4 (5.88%) Migration
9 4 (5.88%) OOD
9 4 (5.88%) RAD
9 4 (5.88%) Risk Management
9 4 (5.88%) Software Engineering
Programming Languages
1 68 (100.00%) Java
2 45 (66.18%) JavaScript
3 27 (39.71%) SQL
4 23 (33.82%) Perl
5 19 (27.94%) PHP
6 5 (7.35%) PL/SQL
6 5 (7.35%) Scala
7 4 (5.88%) ANSI SQL
7 4 (5.88%) Data Analysis Expressions (DAX)
7 4 (5.88%) Groovy
7 4 (5.88%) VBA
8 1 (1.47%) C
8 1 (1.47%) ECMAScript
8 1 (1.47%) PL/1
8 1 (1.47%) SPARQL
Qualifications
1 18 (26.47%) Degree
2 4 (5.88%) Sun Certification
Quality Assurance & Compliance
1 4 (5.88%) QA
System Software
1 19 (27.94%) Docker
2 3 (4.41%) VMware Infrastructure
Systems Management
1 19 (27.94%) Opscode Chef
1 19 (27.94%) Puppet
1 19 (27.94%) Salt
2 4 (5.88%) Control-M
2 4 (5.88%) Grafana
2 4 (5.88%) Graphite
2 4 (5.88%) HP SiteScope
2 4 (5.88%) Nagios
Vendors
1 39 (57.35%) Oracle
2 20 (29.41%) ATG
3 15 (22.06%) IBM
4 8 (11.76%) Cognizant
5 4 (5.88%) Blue Martini
5 4 (5.88%) Dynatrace
5 4 (5.88%) Elastic Path
5 4 (5.88%) Informatica
5 4 (5.88%) Interwoven
5 4 (5.88%) Misys
5 4 (5.88%) Red Hat
5 4 (5.88%) Sun
5 4 (5.88%) Sybase
6 3 (4.41%) VMware
7 1 (1.47%) Adobe
7 1 (1.47%) Coverity
7 1 (1.47%) Guidewire
Birmingham
Cognizant
Posted: 17 hours ago
London
Computer People
Posted: 8 hours ago
South West
Cognizant
Posted: 5 days ago